cadi/aaf/src/main/java/org/onap/aaf/cadi/aaf/v2_0/AAFLocator.java

   1 /**
   2  * ============LICENSE_START====================================================
   3  * org.onap.aaf
   4  * ===========================================================================
   5  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
   6  * ===========================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END====================================================
  19  *
  20  */
  21
  22 package org.onap.aaf.cadi.aaf.v2_0;
  23
  24 import java.net.HttpURLConnection;
  25 import java.net.URI;
  26 import java.net.URISyntaxException;
  27 import java.util.Collections;
  28 import java.util.LinkedList;
  29 import java.util.List;
  30
  31 import org.onap.aaf.cadi.CadiException;
  32 import org.onap.aaf.cadi.LocatorException;
  33 import org.onap.aaf.cadi.SecuritySetter;
  34 import org.onap.aaf.cadi.client.Future;
  35 import org.onap.aaf.cadi.config.Config;
  36 import org.onap.aaf.cadi.config.SecurityInfoC;
  37 import org.onap.aaf.cadi.http.HClient;
  38 import org.onap.aaf.cadi.util.Split;
  39 import org.onap.aaf.misc.env.APIException;
  40 import org.onap.aaf.misc.env.Data.TYPE;
  41 import org.onap.aaf.misc.env.impl.BasicTrans;
  42 import org.onap.aaf.misc.rosetta.env.RosettaDF;
  43 import org.onap.aaf.misc.rosetta.env.RosettaEnv;
  44
  45 import locate.v1_0.Endpoint;
  46 import locate.v1_0.Endpoints;
  47
  48 public class AAFLocator extends AbsAAFLocator<BasicTrans>  {
  49         private static RosettaEnv env;
  50         HClient client;
  51         private RosettaDF<Endpoints> epsDF;
  52
  53         public AAFLocator(SecurityInfoC<HttpURLConnection> si, URI locatorURI) throws LocatorException {
  54                 super(si.access, nameFromLocatorURI(locatorURI), 10000L /* Wait at least 10 seconds between refreshes */);
  55                 SecuritySetter<HttpURLConnection> ss;
  56                 try {
  57                         ss=AAFConHttp.bestSS(si);
  58                 } catch (APIException | CadiException e1) {
  59                         throw new LocatorException(e1);
  60                 }
  61                 synchronized(sr) {
  62                         if(env==null) {
  63                                 env = new RosettaEnv(access.getProperties());
  64                         }
  65                 }
  66
  67                 int connectTimeout = Integer.parseInt(si.access.getProperty(Config.AAF_CONN_TIMEOUT, Config.AAF_CONN_TIMEOUT_DEF));
  68                 try {
  69                         String[] path = Split.split('/',locatorURI.getPath());
  70                         String host = locatorURI.getHost();
  71                         if(host==null) {
  72                                 host = locatorURI.getAuthority(); // this happens when no port
  73                         }
  74                         if("AAF_LOCATE_URL".equals(host)) {
  75                                 URI uri = new URI(
  76                                                 locatorURI.getScheme(),
  77                                                 locatorURI.getUserInfo(),
  78                                                 aaf_locator_uri.getHost(),
  79                                                 aaf_locator_uri.getPort(),
  80                                                 "/locate"+locatorURI.getPath(),
  81                                                 null,
  82                                                 null
  83                                                 );
  84                                 client = createClient(ss, uri, connectTimeout);
  85                         } else if(path.length>1 && "locate".equals(path[1])) {
  86                                 StringBuilder sb = new StringBuilder();
  87                                 for(int i=3;i<path.length;++i) {
  88                                         sb.append('/');
  89                                         sb.append(path[i]);
  90                                 }
  91                                 setPathInfo(sb.toString());
  92                                 URI uri = new URI(
  93                                                         locatorURI.getScheme(),
  94                                                         locatorURI.getUserInfo(),
  95                                                         locatorURI.getHost(),
  96                                                         locatorURI.getPort(),
  97                                                         "/locate/"+name + '/' + version,
  98                                                         null,
  99                                                         null
 100                                                         );
 101                                 client = createClient(ss, uri, connectTimeout);
 102                         } else {
 103                                 client = new HClient(ss, locatorURI, connectTimeout);
 104                         }
 105                         epsDF = env.newDataFactory(Endpoints.class);
 106                 } catch (APIException | URISyntaxException e) {
 107                         throw new LocatorException(e);
 108                 }
 109         }
 110
 111         @Override
 112         public boolean refresh() {
 113                 try {
 114                         client.setMethod("GET");
 115                         client.send();
 116                         Future<Endpoints> fr = client.futureRead(epsDF, TYPE.JSON);
 117                         if(fr.get(client.timeout())) {
 118                                 List<EP> epl = new LinkedList<EP>();
 119                                 for(Endpoint endpoint : fr.value.getEndpoint()) {
 120                                         epl.add(new EP(endpoint,latitude,longitude));
 121                                 }
 122
 123                                 Collections.sort(epl);
 124                                 replace(epl);
 125                                 return true;
 126                         } else {
 127                                 env.error().printf("Error reading location information from %s: %d %s\n",client.getURI().toString(),fr.code(),fr.body());
 128                         }
 129                 } catch (CadiException | URISyntaxException | APIException e) {
 130                         env.error().log(e,"Error connecting " + client.getURI() + " for location.");
 131                 }
 132                 return false;
 133         }
 134
 135         /* (non-Javadoc)
 136          * @see org.onap.aaf.cadi.aaf.v2_0.AbsAAFLocator#getURI()
 137          */
 138         @Override
 139         protected URI getURI() {
 140                 return client.getURI();
 141         }
 142
 143         protected HClient createClient(SecuritySetter<HttpURLConnection> ss, URI uri, int connectTimeout) throws LocatorException {
 144                 return new HClient(ss, uri, connectTimeout);
 145         }
 146 }